QUIC - (no behavior change) s/NULL/nullptr/g in .../quic/...

net/quic/crypto/curve25519_key_exchange.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/crypto/curve25519_key_exchange.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "crypto/curve25519.h"
 #include "net/quic/crypto/quic_random.h"
@@ skipping 14 matching lines @@
   // We don't want to #include the NaCl headers in the public header file, so
   // we use literals for the sizes of private_key_ and public_key_. Here we
   // assert that those values are equal to the values from the NaCl header.
   COMPILE_ASSERT(
       sizeof(ka->private_key_) == crypto::curve25519::kScalarBytes,
       header_out_of_sync);
   COMPILE_ASSERT(sizeof(ka->public_key_) == crypto::curve25519::kBytes,
                  header_out_of_sync);
 
   if (private_key.size() != crypto::curve25519::kScalarBytes) {
-    return NULL;
+    return nullptr;
   }
 
   ka = new Curve25519KeyExchange();
   memcpy(ka->private_key_, private_key.data(),
          crypto::curve25519::kScalarBytes);
   crypto::curve25519::ScalarBaseMult(ka->private_key_, ka->public_key_);
   return ka;
 }
 
 // static
@@ skipping 32 matching lines @@
 }
 
 StringPiece Curve25519KeyExchange::public_value() const {
   return StringPiece(reinterpret_cast<const char*>(public_key_),
                      sizeof(public_key_));
 }
 
 QuicTag Curve25519KeyExchange::tag() const { return kC255; }
 
 }  // namespace net